This is an edge connector expansion board designed for micro:bit, breakout the I/O pins to 2.54mm pitch pinheaders for easy use.
3.5inch RPi LCD (C)
Raspberry Pi 3.5inch Resistive Touch Display (C), 480×320, High-Speed SPI
RS232/485/422 TO POE ETH (B)
Serial server RS232/485/422 to RJ45 Ethernet module with POE TCP/IP to serial port module
Raspberry Pi 4 Model B Black Poly+ Case With Dedicated MINI Cooling Fan
Tinker Board 2
ASUS Tinker Board 2 development board based on Arm computer